Regenerative furnace.



W. F. TAYLOR.

REGENERA'IIVE FURNACE. APPLICATION IILBD JUNE12,'1908.

, 1,040,459. Patented Oct. 8, 1912 UNITED STATES PATENT orinen.

REGENERATIVE FURNACE.

Specification of Letters Patent.

Patented Oct. 8, 1912.

Application filed June 12, 1908. Serial No. 438,247.

Be it known that I lViLLIAM 'Fnnnnmen TAYLOR, of the city of Tacoma, in the county of Pierce, State of 'ashington. have invented certain new and useful Improvements in Regenerative l urnaces, of which the following is a specification of the same.

The objects of my invention are first, to

provide a regenerative furnace that will redue all kinds of ore to a line matte by a heat produced within the furnace; and, secend, to produce a form of furnace that will produce a smelting heat from wood, coal, charcoal, coke and oil, according to the coin dition of the'locality, as fuels used within the furnace. I attain these objects by means of the form of furnace illustrated in the acconn'ianying drawing in which- Figure l is a vertical section lengthwise through the furnace. Fig. 2 is a plan section on the line 2- 3. Fig. 3 is a sectional part of the flue to the smoke stack aml coir tains the condenser.

Similar letters refer to similar parts in the several views.

The tire-boxes or combustion chambers are imlicated-at A A and are designed to be used alternately. Each lire-box is located over a chamber of tlucs (l J or checkerwork, constructed of refractory nutterials, which open at the bottom into the tines B 13, connected with the smoke Stitch S through the external tlues i F, each tlue is provided with a damper M M with which to regulate and alternate the draft. lCaeh tirebox is provided with a forced draft by means of the air lluesl) l), which open the full width of the bottom into the lines l: [3 and which are supplied with air from the Root blowers at ll t and it B, through the pipe I) I connected therewith. The force. and quantity of air is regulated by the machinery that. operates the .ltoot. blowers. The heat indicator (l shows the desired amount of heat required. lilach tire-box is connected with smelting hearths ll ll by means of the ports I t.

The furnace is heated by starting a tire in one of the. tirc hoxes as A. The dampers M K being closed aml M K being open. This causes the products of comlmstion to pass through the smelting chamber over the hearth ll ll, through the lire-box A and the tines it (1' and I to the smoke-stack 5. When the furnace and llucs become well heated by the products of combustion, a tire and the dampers in A is allowed to go l) and (I become heatand stirred through the doors N X. The hearths are designed to be charged alternately, the fresh ore being deposited on the hearth farthest from the tire-hox in use, so the ore will be roasted preparatonv to being subjected to the intense heat of the nearest tire-box when the tire is alternated to it. The tires thus alternated and theorcsexposcd to the products of co nlmstion alternately (from opposite ends oltthe furnace, soon become reduced to matte aml slag, which readily collects in .the lead-well [J aml is drawn off, the slag at the upper tap hole t), aml the bullion at the lower tap hole 1.

At Q is; located a cohl water pipe having outlets designed to discharge alternately into the tlucs l and I each outlet being, operated by a \'.ll\t' V V. The spray of cold water discharged from these outlets condenses or precipitates all rolatilized metals from the smoke and gases passing through the line. A receptacle or well U collects these metals and they are thus saved.

With the form of furnace here shown and described it is found that the heated lines and checkerworlt' so heat the air and aid comlmstion, that the common fuels, wood, coal, charcoal, coke and oil produce a heat so intense as to reduce the most refractory ores without the aid of gases.

I thus produce a tutu-ice that can be constructcd and operated with asmall amount of capital and in remote districts.

It is to be understood that I do not contine myself to tixed proportions or dimensions, but, reserve the right to vary the same to secure the best results and as circumstances may require.

Having thus described my invention, what I claim as new and desire to secure by Letters alcnt i l. A regenerative furnace comprising hcarths and a bullion well, superheuling tlucs containing refractory material located at opposite sides of the heal-tbs combustion chambers at the top of the superheat-ing llucs. llucs at the bottom of the supcrbeating llues, externally located llucs connecting the tlucs at the bottom of the superhcating tlucs with a smoke stack, and a forced draft for Lena flues containing refractory material located at opposite sides of the hearths combustion chambers at'the top of the superheating fiues, fiues' at the bottom of the superheating fines, a. smoke stack and externally 10- cated valve controlled flues connecting it With the flues at the bottom of the superheating flues, air fines, independent of the fines communicating with the stack openingdirectly into the flue beneath each superheating flue and substantially the Width of said flue Where it opens therein, and means for creating and supplying a regulated forced air draft through said flue, substantially as described.

Tacoma, "flfashingtontftpril 18th, 1908. W. FREDERICKTAYLOR.

Signed in the preeence of- A. M. BAILEY, G. L. HAcKE'm. 

